Robert eugene downs



2 Sheets-Sheet 2.

(No Model.)

B. E. DOWNS,

BORING MACHINE.

limmg I mm tzl/lllltllz or 2 ma? AN DREW BJiRAHAM. PHOTO-UTNO.WASH1NGTDN.D.C.

UNITED STATES PATENT OF ICE,

ROBERT EUGENE DOWNS, OF VINTON, IOWA, ASSIGNOR OF ONE-HALF TO GEORGE M. HOYT, OF SAME PLACE.

BORING-MACHINE.

SPECIFICATION forming part of Letters Patent No. 549,849, dated November 12, 1895 Application filed July 12, 1895. $erial No. 555,709. (No model.)

To all whom it may concern; the proper position in said bracket, and ad- Be it known that LROBERT EUGENE DOWNS, justably fitted on said rod is the tube or sleeve a citizen of the United States, residing at Vin- 14, secured in place by means of brackets ton,in the county of Benton and State of Iowa, and 15, and to the upper end of said sleeve 5 have invented certain new and useful Imor tube is connected the anger or bit 16. From provements in Boring-Machines; and I do this construct-ion it will be seen that rotation hereby declare the following to be a full, of the driving-wheel revolves the rod and the clear, and exact description of the invention, sleeve fitted thereon and imparts this action such as will enable others skilled in the art to to the auger or bit carried by said sleeve, and 10 which it appertains to make and use the same. it will also be noticed that said sleeve is ad My invention relates to improvements in justable on said rod, for a purpose which will boring-machines; and the main object of my presently appear. To the upper end of the invention is the provision of aboring-machine sleeve is secured, a beveled pinion 17, which which will bore horizontally, vertically, or at engages with the horizontally-disposed bev- 15 an incline andwhich can be quickly adjusted eled pinion 18, carrying the bit or auger 19,

to the character of work to be accomplished, mounted in the rod 20, which fits in the holand which machine will be simple, inexpenlow standard 1 and is adjustable therein and sive,and thoroughlypractical in construction. can be held at any adjustment by means of the To attain the desired objects the invention set-screw secured in the said hollow standard. 20 consists of aboring-machine embodying novel WVhen it is desired to bore a horizontal openfeatures of construction and combination of ing, the rod is adjusted in the hollow standard parts substantially as disclosed herein. and the sleeve which fits on the driving-rod In order that the details of construction and is correspondingly adjusted by the adjustoperation of my machine may be readily unment of said rod, and when'motion is imparted 25 derstood and its numerous advantages be through the driving gear-wheels the beveled fully appreciated, I would call attention to pinion on the sleeve operates the beveled the drawings, which illustrate a boring-ma-- pinion carrying the horizontally-disposed chine constructed according to my invention. auger, as will be readily understood.

Figure 1 represents a perspective view'of In boringa vertical opening Iprovide ade- 0 my improved boring-machine with the parts vice for feeding the bit upward as it enters the adjusted for boring horizontally. Fig. 2 rep wood. This consists of the spring 21, which resents'a similar View with the parts in the bears at one end upon the hollow standards 1 position they assume when boring vertically, and at its other end upon the collar 22, mountand Fig. 3 represents a vertical sectional ed on the rod 20, said collar having the adjust- 3 5 View. ing-screw 23,.which engages said rod, and by Referring by numerals to the drawings, the this construction it will be seen that the tennumeral 1 designates a hollow standard 01- sion of the spring bearing upon the collar tube having at its upper end a set-screw 2, and moves the rod,which moves the vertically-disto the lower end thereof is pivoted the plate 3, posed bit or auger upward, as is evident, the 0 40 formed with barbs or points 4, adapted to screw 2 in the hollow standard being released bite or engage the suitable surface to supfrom engagement with the rod 20 to permit port the tube in any desired position, as will the spring to move said rod 20 upward as the be readily understood. To the lower end of bit or auger enters the wood. said tube opposite the support-plate is secured This boring-machine may be used in many 9 5 45 the bracket 5, having a stud 6, upon which is situations but is specially useful for electrimounted the wheel 7, having the gear-teeth cians, as it can be adjusted to any position and 8 on its inner face and the crank 9 on its outer will bore openings in any directions desired, face or rim. The said teeth engage with the and as it is of simple and inexpensive con- Y pinion 10, secured to the lower end of the rod struction it is thoroughlypractical and useful. 50 11, bearing in the bracket 12, and having the I claim shouldered portion 13 for holding said rod in 1. In a boring machine, the combination of the support, the standard ad j nstabl y connectcd therewith, the driving mechanism carried by the standard and horizontally and vertically disposed bits operated by the driving mechanism.

2. In a boring machine the combination of a support, a hollow standard or sleeve connected therewith, the driving mechanism carried by the standard and an adjustable boring mechanism consisting of vertically and horizontally disposed bits or angers operated by said driving mechanism.

3. In a boring machine, the combination of the hollow standard carrying the driving mechanism, the rod fitting in the hollow standard and carrying the horizontally disposed bit or anger, the spring for moving the rod vertically and mechanism f or operating said bit or anger.

at. In a boring machine, the combination of the hollow standard, the rod adj nstable therein, the spring for moving said rod vertically, the sleeve connected with said rod and carrying the bit or anger, and the driving rod fitting in said sleeve and carrying the pinion engaging the driving wheel carried by the standard.

In testimony whereof I afiix my signature in presence of two witnesses.

ROBERT EUGENE T) 0 WNS.

Witnesses:

Caro SELLs, GRANT SnLLs. 

